#11465: During scavenging process, need to handle the case if  get_existing_node_low() routine returns NULL node TESTS_RAN: unit tests, Dev Test Suite, nosetests -v test/unit_test/test_byteorder_basic_check.py:TestMutations.test_system_column_family_operation
#11465: During scavenging process, need to handle the case if  get_existing_node_low() routine returns NULL node
TESTS_RAN: unit tests, Dev Test Suite, nosetests -v test/unit_test/test_byteorder_basic_check.py:TestMutations.test_system_column_family_operation


git-svn-id: a0db35f042a950d73592b5822876875cf57db3ee@2185 01a69087-22d5-4a29-8152-8a1d5e10e5e9

SanDisk-Open-Source/zetascale,SanDisk-Open-Source/zetascale,SanDisk-Open-Source/zetascale,SanDisk-Open-Source/zetascale,SanDisk-Open-Source/zetascale